Download Brainboxes Bluetooth Adapter BL-819 Troubleshooting guide

Table of Contents
1
Introduction………………………………………….……………………………………………………….. 3
2
Troubleshooting Guide……………………………………………………………………………………… 4
BL-521/730 Terminal Application Unresponsive………………………………………………………... 4
Losing data when transmitting or receiving via the BL-521/730……………………………………….. 4
Garbled Characters in Terminal Application……………………………………………………..………. 4
RTS/CTS option of device will not stay turned on……………………………………...…….………… 5
Only one LED comes on when power is turned on for BL-521/730…………………………………….5
Data doesn’t seem to be received by the product, but seems to be sent by it……………………….. 5
Interaction with the menu appears slow and unresponsive, but data does show eventually………. 5
How do I connect to a device in HyperTerminal using a Bl-521/730, 819 & 830…………………….. 6
Firmware upgrade (DFU wizard) fails………………………………………………………….…………..7
How to upgrade the firmware on BL-521/730, 819 & 830……………………………………………… 8
How do I terminate a connection to a device in HyperTerminal using a BL-521/730, 819 & 830?… 8
2.1
Frequently Asked Questions (FAQs)…………………………………………………………… 9
What is the pinout of BL-521 dongle/819 and 830?…………………………………………… 9
What version of the Bluetooth specification is supported?……………………………………. 9
What Bluetooth profiles are supported by your devices?………………………………………9
Is the headset profile supported?…………………………………………………………………9
BL-521/730: LED Display…………………………………………………………………………. 10
BL-819/830: LED Display………………………………………………………………………… 10
I am having trouble connecting to my Bluetooth Nokia Phone……………………………..… 11
Where can I find more information on my BL-730 rs232 module?…………………………… 11
How do I upgrade firmware on my BL-521/730?…………………………………………….… 12
Where are the drivers for my BL-521/730/819 & 830?………………………………………… 12
What baud rates will your Bluetooth products work at?…………………………………….… 12
Over what distance will a Class 1 device communicate with a Class 2 device?………….…12
What is the difference between BCSP and H4?…………………………………………….…. 13
What is the maximum distance your Bluetooth devices will cover?……………………….…. 14
BT RS232 Troubleshooting
Guide
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